Compact S800 I/O Interface Designed for Reliable Field Wiring Integration
The ABB TU811V1 (3BSE013231R1) Module Termination Unit is a compact passive interface component used within the ABB S800 I/O system. It is designed to connect field wiring to I/O modules while ensuring stable signal distribution, secure termination, and efficient ModuleBus communication in industrial automation environments.
As part of the S800 I/O architecture, the TU811V1 supports up to 8 channels and is optimized for high-density control cabinet installations. Its mechanical keying system and structured terminal layout help prevent wiring errors, improve installation efficiency, and enhance long-term system reliability in process automation applications.
Technical Specifications
| Specification Item | Details |
|---|---|
| Model | TU811V1 |
| Order Number | 3BSE013231R1 |
| Manufacturer | ABB |
| Product Type | Module Termination Unit (MTU) |
| System Compatibility | ABB S800 I/O |
| Channel Capacity | 8 channels |
| Rated Voltage | 250 V |
| Max Current per Channel | 3 A |
| Function | Passive termination + ModuleBus distribution |
| Mounting Type | DIN rail mounting |
| Wire Range (Solid) | 0.2 – 4 mm² |
| Wire Range (Stranded) | 0.2 – 2.5 mm² |
| Dielectric Test Voltage | 2000 V AC |
| Operating Temperature | 0°C to 55°C |
| Protection Class | IP20 |
| Approx. Dimensions | 64 × 64 × 170 mm |
| Approx. Weight | ~0.17–0.2 kg |
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